Heating-furnace



(No Model.) 5 Sheets-Sheet 1.

D. L. JONES.

HEATING FURNACE.

No. 334,781. Patented Jan. 26, 1886.

5 Sheets-Sheet 2.

Patented Jan. 26, 1886.

1). JONES.

HEATING FURNACE.

(No Model.)

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D. L. JONES.

HEATING FURNACE. No. 334,781. Patented Jan. 26, 1886.

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(No Model.) 5 Sheets-Sheet 4.

D. L. JONES.

HEATING FURNACE. 7 No. 334,781. Patented Jan.26, 1886.

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(No Model.) 5 Sheets-Sh eet 5.

D. L. JONES.

HEATING FURNACE.

No. 334,781. Patented Jan. 26, 1886.

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DAVID L. JONES, or CHICAGO, ILLINOIS.

HEATING-FURNACE.

SPECIFICATION forming part of Letters Patent No. 334,781, dated January26, 1826. Application filed June 16, 1884. Serial No. 134,976. (Nomodel.)

To all whom it may concern.-

Be it known that 1, DAVID L. J ONES, a citizen of the United States,residing at Chicago, in the county of Cook and State of Illinois, haveinvented certain new and useful Improvements in Heating- Furnaces, whichare fully set forth in the following specification, reference being badto the accompanying drawings, forming a part hereof, and in which-Figure l is a front elevation. Fig. 2 is a front elevation, partly insection. Fig. 3 is a plan view of section below the plane 3 y of Fig. 2.Fig. 4 is a side View of the radiator B, from which the larger portionof its inner wall is removed so as to show the flues b and partitions bIf 1) Nb. Fig. 5 is a vertical central section through the center ofboth furnaces, as shown in Fig. 3 in plan.

Like letters of reference'indicate like parts.

The object of my invention is to improve the construction ofheatingfurnaces, so as to, first, increase the heating-surface within agiven cubic capacity; second, to combine two or more fuel-magazines withone radiator, and, third, to control the heat of such furnace moreperfectly and in a more economical manner than heretofore; also, inarranging the parts so that both furnaces, whenever two are used, can befed from the same side of the furnace through doors placed side by side,thereby being enabled to set the furnace where others with oppositedoors could not be used for want of room, and, combined with suchfurnace or furnaces, a radiator of elliptical horizontal outline,through which the smoke and gases must pass into the chimney, saidradiator being provided with interior and exterior radiating walls andopen fines passing vertically through said radiator, also partitionwallshaving passages whereby the smoke and heat are caused to pass through acircuitous route to the chimney, all as clearly set forth.

In the drawings, a a are the fire-pots, pro vided with grates a over theash-pits a Said fire-pots extend upward to the fire-doors a and beyondsaid doors form heating-drums b, extending to the top of the radiator B.From the upper end of said drums extend smokeflues c 0, uniting in thiscase into a main, 0, which discharges the smoke between the two walls 2;b of a radiator, B, surrounding the drums b, and of about the sameheight,

as shown in dotted outline in Fig. 1. The upper and lower ends of saidradiator are pierced with flues b somewhat less in external diameterthan the space between the walls b 6*, leaving a passage, 0 andatintervals more or less numerous are placed deflectors b b b b, whichextend from wall to wall and about half-way across the longitudinalspace between the ends of said radiator. Said deflectors are so arrangedas to be alternatelyiu contact with the upper and lower ends of theradiator, and serve to deflect the smoke and heat into a more circuitousroute. A partition or diaphragm, b is placed between the main 0 andsmoke-pipe b, which causes the smoke to pass as indicated by the arrows,and in said partition is an opening, 1), controlled by a valve ordamper, f, (shown as a heavy broken line in Fig. 2,) worked by a rod, g,passing out through the front. Said valve is opened when starting afire, or when the heat becomes too great, so that the smoke or heat maypass directly from the main 0 into the pipe I). The fuel-doors h andash-pit doors i are each provided with a damper,j, for the purpose ofeffectually controlling the draft and heat of the furnace.

The above-described parts are surrounded by a jacket, d, having hot-airflues e, and are arranged in the usual way to receive the cold air fromthe bottom through a flue, Z, in the base It.

The arrows in Fig. 2 show the course of the cold air as it rises andreceives heat by coming in contact with the heated parts of the furnace.

By the combination of alarge radiator, B, with one or morefuel-magazines, greater or less heat may be obtained, because but onefire-chamber may be working at its full capacity and the other at anydegree less; or both may work at variously-reduced capacity.

hen at any time the heat becomes too great, the damperf may be openedeither fully or partly, so as to allow the heat to'pass directly intothe smoke-flue, instead of giving out its heat through the radiator;also, where only one fire-chamber is going, it may in another way beregulated, which is by the own, or by those of dampers j and doors ofits ICO the adjoining fire-chamber, at pleasure, and thereby to anydesired shades of nicety.

In the sectional view of Fig. 2 the arrows shown behind the deflectorsare shown dotted, while those in front are shown full, or part of thembeyond the deflector are shown dotted, thus showing the direction of thecurrent of heated air.

What I claim is- The fire-chambers a a, provided with drums b b, andpipes c c and c, in combination with radiator B, havingradiating-surfaces b b", deflectors and tubes, diaphragm b damper f, androd g, passing out over the furnace-doors, flue b, jacket d, havingpipes e, and doors h 2', provided with dampers j, substantially asspecified.

DAVID L. JONES.

\Vitnesses:

P. R. ERLING, WM. ZIMMERMAN.

